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A rectangular coil 20 cm by 33 cm has 110 turns. This coil produces a maximum emf of 72 V when it rotates with an angular speed of 200 rad/s
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Answers ( )
Explanation:
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Answer:
0.05T
Explanation:
Data given,
area, A=20cm*33cm=0.2m*0.33m=0.066m^2
Number of turns, N=110 turns,
Emf= 72v,
angular speed, W= 200rad/s
magnetic field strength, B= ??
from the expression showing the relationship between induced emf and magnetic field is shown below
Where N is the number of turns,
E=is the emf,
Bis the magnetic field strength
if we substitute values, we arrive at